Qinghua Liu was born in 1994. He received a PhD in Mechanical Engineering from Xi'an Jiaotong University, Xi'an, China, in 2023. Since 2023, he has been working as a Lecturer at the College of Mechanical and Electrical Engineering, Nanjing Forestry University. His research interests include nonlinear system identification, rotor dynamics, and nonlinear vibration isolation. He has several years of experience reviewing for Mechanical Systems and Signal Processing, Nonlinear Dynamics, Journal of Sound and Vibration, and MDPI journals. He received the Best Paper Award from the ASME Journal of Vibration and Acoustics in 2021. More specific contributions can be found on his Google Scholar homepage: https://scholar.google.com.hk/citations?user=ru60yd4AAAAJ&hl=zh-CN and ORCID homepage: https://orcid.org/my-orcid?orcid=0000-0003-3648-648X.